Apply new format to snippets and template

snippets/call.md

@@ -5,13 +5,13 @@ tags: function,intermediate
 
 Given a key and a set of arguments, call them when given a context. Primarily useful in composition.
 
-Use a closure to call a stored key with stored arguments.
+- Use a closure to call a stored key with stored arguments.
 
-```js
+```js
 const call = (key, ...args) => context => context[key](...args);
 ```
 
-```js
+```js
 Promise.resolve([1, 2, 3])
   .then(call('map', x => 2 * x))
   .then(console.log); // [ 2, 4, 6 ]